Growth, carcass, and physiological traits of growing male China Micro-ducks fed various levels of dietary crude fibre
Growth, carcass, and physiological traits of growing male China Micro-ducks fed various levels of dietary crude fibre
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The objective of this study was to evaluate Hotpoint HAE60KS HAE60K 60cm Ceramic Electric Cooker - Black the responses of growth performance, organ development, carcass characteristics, and serum biochemical parameters to the diets with different levels of crude fibre (CF) in growing male China Micro-ducks (CMD).A total of 240 nineteen-day-old CMD were blocked on the basis of body weight, and then randomly allocated to four treatments, each with 6 replicate pens of 10 ducklings.The formal feeding experiment lasted for 35 days.The CF levels for four diets were 16.
7, 42.6, 77.9, and 101.6 g/kg of dry matter (DM), respectively.
The diet with the CF level of 101.6 g/kg of DM resulted in the first-rank growth performance, followed by the diets with the CF level of 42.6 and 77.9 g/kg of DM, and then the diet with the CF level of 16.
7 g/kg of DM.The diet with the CF level of 42.6 g/kg of DM led to the optimum slaughter performance, followed by the diets with the CF levels of 16.7 and 77.
9 g/kg of DM, and then the diet with the CF level of 101.6 g/kg of DM.With the increase of the CF level in the diets, the serum glucose concentration and the relative weights of proventriculus and gizzard significantly rose (P < Headphones 0.05), but the serum concentrations of low-density lipoprotein cholesterol and creatinine, the percentages of head, feet, and abdominal fat, and the relative weights of liver, jejunum, and ileum significantly decreased (P < 0.
05).For the percentages of pectoral muscle and lean meat and the relative weight of thymus, dietary treatment with the CF level of 16.7 g/kg of DM was significantly lower than the other dietary treatments (P < 0.05).
The recommended range of dietary CF level for growing male CMD should therefore be between 42.6 and 77.9 g/kg of DM.